Home / 2,827.89-3,902.46-1,649.94

Finding the Fourth Proportional to 2,827.89, 3,902.46 and 1,649.94

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Solution

The fourth proportional to 2,827.89, 3,902.46 and 1,649.94 is: 2,276.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,827.89 : 3,902.46 = 1,649.94 : x
  2. Step 2: Convert to fraction form
    2,827.89/3,902.46 = 1,649.94/x
  3. Step 3: Cross multiply
    2,827.89x = 3,902.46 × 1,649.94
  4. Step 4: Simplify right side
    2,827.89x = 6,438,824.85
  5. Step 5: Solve for x
    x = 6,438,824.85/2,827.89
  6. Step 6: Final answer
    x = 2,276.90

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.